Global monitoring of interannual changes in vegetation activities using NDVI and its relationships to temperature and precipitation

被引：300

作者：

Kawabata, A ^{[1
]}

Ichii, K ^{[1
]}

Yamaguchi, Y ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Sci, Dept Earth & Planetary Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 2001年 / 22卷 / 07期

关键词：

D O I：

10.1080/01431160119381

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

Interannual trends in annual and seasonal vegetation activities from 1982 to 1990 on a global scale were analysed using the Pathfinder AVHRR Land NDVI data set corrected by utilising desert and high NDVI areas. Climate effects on interannual variations in NDVI were also investigated using temperature and precipitation data compiled from stational observations. In the northern middle-high latitudes, vegetation activities increased over broad regions because of a gradual rise in temperature. NDVI increases were also detected in the tropical regions, such as western Africa and south-eastern Asia. Plant photosynthetic activities on the other hand, decreased remarkably in some arid and semi-arid areas in the Southern Hemisphere, because annual rainfall decreased during this period.

引用

页码：1377 / 1382

页数：6

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